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September Weather in Holywell Green, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Holywell Green, United Kingdom hovers around 13°C (55°F), with minimums dipping to 3°C (37°F) and maximums reaching up to 27°C (80°F). Expect 79 mm (3.1 in) of precipitation over approximately 12 days, accompanied by a high average humidity of 85%. Stay prepared for a mix of weather as you explore this beautiful locale!

September Temperature in Holywell Green

In September in Holywell Green, the average temperature is 13°C (55°F). Maximums can reach 27°C (80°F), while minimums can drop to as low as 3°C (37°F). It's advisable to pack layers to comfortably enjoy a range of outdoor activities during your visit.

September Weather in Holywell Green: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Holywell Green, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holywell Green, September typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042465257605955504441
Data source: Temperature data for Holywell Green generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Holywell Green

In Holywell Green in September, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

September Precipitation Trends in Holywell Green

The chart displays monthly precipitation patterns in Holywell Green, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Holywell Green, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6593924466869493791027492
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Holywell Green

In Holywell Green in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

September Average Humidity in Holywell Green

This chart illustrates the average monthly humidity levels in Holywell Green, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Holywell Green is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Holywell Green

In Holywell Green in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Holywell Green.

Maximum UV Index Levels in Holywell Green for September

The chart shows the monthly maximum UV Index (UVI) for Holywell Green in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Holywell Green typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Holywell Green September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Holywell Green Compares to Other Months

Weather in Holywell Green varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Holywell Green, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Holywell Green, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)65 mm (2.6 inches)90%low
February Weather5°C (40°F)93 mm (3.7 inches)88%low
March Weather6°C (43°F)92 mm (3.6 inches)86%moderate
April Weather8°C (46°F)44 mm (1.7 inches)84%moderate
May Weather11°C (52°F)66 mm (2.6 inches)80%high
June Weather14°C (57°F)86 mm (3.4 inches)81%very high
July Weather16°C (61°F)94 mm (3.7 inches)76%very high
August Weather15°C (60°F)93 mm (3.7 inches)77%high
September Weather13°C (55°F)79 mm (3.1 inches)85%moderate
October Weather10°C (50°F)102 mm (4.0 inches)90%moderate
November Weather7°C (44°F)74 mm (2.9 inches)92%low
December Weather5°C (41°F)92 mm (3.6 inches)90%low

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